Finding the Third Proportional to 787,818 and 1,147,281

Step by Step Solution

1. Step 1: Write the proportion equation
   787,818 : 1,147,281 = 1,147,281 : x
2. Step 2: Convert to fraction form
   787,818/1,147,281 = 1,147,281/x
3. Step 3: Cross multiply
   787,818x = 1,147,281 × 1,147,281
4. Step 4: Simplify right side
   787,818x = 1,316,253,692,961
5. Step 5: Solve for x
   x = 1,316,253,692,961/787,818
6. Step 6: Final answer
   x = 1,670,758.59